Peer-reviewed veterinary case report
Cat with thyroid cancer causing low thyroid hormone and swelling
By Isabela de Andrade Brum et al.·Published in Ciência Rural·2023·View original on DOAJ →
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Original publication title: Primary hypothyroidism due to thyroid carcinoma in a feline
- Species:
- cat
Plain-English summary
A 13-year-old cat was brought in with a swollen neck that had gotten larger over the past two weeks, along with symptoms like hoarseness, tiredness, weight gain, and constipation. The vet found that the cat had a low body temperature and ran tests that indicated hypothyroidism caused by thyroid cancer. This case is notable as it is the first report of hypothyroidism in a cat due to thyroid cancer in Brazil. The cat's condition was confirmed through a biopsy, and appropriate treatment options would be discussed with the veterinarian.
People also search for: cat thyroid cancer symptoms · why is my cat gaining weight · cat lethargy and constipation · hypothyroidism treatment in cats
Abstract
ABSTRACT: Hypothyroidism is rarely observed in cats. This article reports the case of a thirteen-year-old feline with a one-year history of bilateral cervical swelling that had majorly grown in size two weeks prior to the animal’s admission. The cat presented with dysphonia, lethargy, weight gain, and constipation. On physical examination, hypothermia was observed, with a rectal temperature of 36.5 ºC. Fine-needle aspiration cytology suggested thyroid neoplasia. The serum levels of total T4 and thyroid stimulating hormone (TSH), along with the exclusion of non-thyroid diseases, confirmed the diagnosis of hypothyroidism. This is the first report of feline hypothyroidism in Brazil secondary to thyroid neoplasia, classified as a follicular-compact carcinoma and confirmed by histopathology.
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Search related cases →Original publication on DOAJ: https://doi.org/10.1590/0103-8478cr20210795